type Area = {
  height: number; //高
  width: number; //宽
};

type Address = {
  num: number; //楼号
  cell: number; //单元号
  room: string; //房间号
};

type House = Area & Address;

const house: House = {
  height: 1,
  width: 1,
  num: 2,
  cell: 2,
  room: "2",
};
